handshake

Definition of Handshake in English :

grasping and shaking a person's hand (as to acknowledge an introduction or to agree on a contract)

WordNet Lexical Database for English. Princeton University. 2010.

Handshake

noun

the act of grasping and shaking a person's hand, as when being introduced or agreeing on a deal

noun

a gripping and shaking of each other's hand in greeting, farewell, agreement, etc.

n.

1. The grasping of hands by two people, as in greeting or leave-taking.

2. Computers An exchange of signals between two devices when communications begin in order to ensure synchronization.